Toán Lớp 6: bài 10
a 382+531-282-331
b 4573+46-4573+35-16-5
c32+34+36=38-10-12-14-16-18
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Toán Lớp 6: bài 10
a 382+531-282-331
b 4573+46-4573+35-16-5
c32+34+36=38-10-12-14-16-18
Comments ( 2 )
$=(382-282)+(531-331)$
$=100+200$
$=300$
$b) 4573+46-4573+35-16-5$
$=(4573-4573)+(46-16)+(35-5)$
$=30+30$
$=60$
$c) 32+34+36=38-10-12-14-16-18$
$=38-10-12-14-16-18-32-34-36$